Handheld Attachment Mechanism for Secure Styling Tool Locking
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Solution Overview
Problem
Conventional hot styling appliances face challenges in providing a secure and easy-to-use attachment mechanism that maintains a solid connection under tension while allowing for easy removal when needed.
Innovation Solution
A handheld appliance with a body and attachment mechanism featuring a slot and actuator system, where the actuator moves between positions to engage and secure the attachment, utilizing protrusions and chamfers for a self-tightening joint, and a spring-biased actuator for easy detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a conventional connection mechanism is used, then the attachment can be easily removed, but the connection is not solid when hair is under tension
Solution Approach 1:
The connection mechanism transitions from a static design to a dynamic one where the actuator moves between positions. In the first position, the actuator allows easy attachment; in the second position, it provides a locked, secure connection that resists tension from hair while maintaining removability when needed.
Solution Approach 2:
The connection mechanism is divided into separate functional components: the actuator, the slot, and the protrusion. This segmentation allows each component to perform its specific function - the actuator controls engagement, the slot guides the protrusion, and the protrusion provides the mechanical connection - enabling both strength and ease of operation.
2Strength
If a secure attachment mechanism is provided, then the connection is solid, but the attachment mechanism size increases
Solution Approach 1:
The dynamic actuator mechanism provides secure attachment through movement rather than through increased size. The actuator's ability to transition between positions creates a locked connection that is as secure as larger mechanisms but maintains a compact form factor suitable for handheld appliances.
3Reliability
If the actuator obscures the slot in the first position, then the attachment is retained securely, but the slot visibility is reduced
Solution Approach 1:
The actuator dynamically changes its position relative to the slot. In the first position, it obscures the slot to retain the attachment securely. When moved to the second position, it reveals the slot, allowing users to see and access the attachment interface for removal or changing attachments.
Data Source
AI summary
A handheld appliance having a body and an attachment, the body includes an attachment mechanism having a slot and an actuator, the attachment including a protrusion adapted to engage with the slot wherein the actuator has a first position and a second position and the actuator is moved from the first position towards the second position as the protrusion engages with the slot. In the first position the actuator may at least partially obscures the slot. The actuator includes a surface which may interact with the protrusion when the protrusion engages with the slot. The surface may be adapted to at least partially define the slot at or near the second position. When the protrusion is at a pre-determined position within the slot, the actuator may return towards the first position. The actuator may be biased into the first position.